Geomembrane

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    Geomembrane
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Geomembrane

Functions: penetrative protection, isolation

Application:
Earthwork dam, rock-fill dam, masonry dam and concrete dam; horizontal impervious blanket of embankment and dam front, vertical impervious barrier of foundation; tailing dam, dam body and reservoir region of sewage reservoir; construction cofferdam; canal, liquid bath (pit, coffin pit); waste storage; seepage control lining for subway, basement and tunnel; roadbed of speedway and railway; salting prevention of roadbed and other foundation; waterproofer of swelling soil and collapsible loess; roofing leak resistance 

Products: Two-side seepage control membrane and one preventive geotextile; one-side seepage control membrane and preventive geotextile.

Width: 4-6m
Specification: membrane thickness 0.2mm-0.8mm; protective geotextile 100g/m2-800g/m2 (produced by our factory, conforming to the related national standard).

Table1 Basic Technological Requirement:

Serial number
Items
Indices
Allowance, %
 
1
Mass-area ratio, g/m2
According to design or contractual specifications
-10
 
2
Width, cm
According to design or contractual specifications
-1.0
 
3
Breaking strength 1),KN/m
According to design or contractual specifications
-5
Vertically and horizontally
4
Tearing extensibility %
Adherence to specification
30~100
Vertically and horizontally
5
Ripping strength 1), KN
According to design or contractual specifications
-8
Vertically and horizontally
6
CBR bursting strength, KN
According to design or contractual specifications
-5
 
7
Stripping strength 2), N/cm
6
Not below the standard
Vertically and horizontally
8
Resistance to hydrostatic pressure, Mpa
According to design or contractual specifications
Not below the standard
 
9
Permeability coefficient, cm/s
According to design or contractual specifications
Adherence to specification
 


1) For the strength requirements of common short-fiber needling nonwovens/polyethylene composite geomembrane, see Table 2
2) If the sample is tested hard to predict its stripping and not beyond the high strength base material and membrane material, it will be regarded as qualified one.

  
 








 
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地址:Feicheng New & High-tech Development Zone,Shandong
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